On Saturday, a 14-year-old boy was fatally stabbed on a subway platform in Upper Manhattan after a heated argument with his male attacker.
The NYPD said the victim and his attacker got into a dispute outside the 137th St.-City College station around 3 in the afternoon.
The feud was carried over into the station, where the youth was stabbed in the abdomen.
The medics on standby in the area rushed the 14-year-old boy to Mount Sinai Morningside Hospital, where he was pronounced dead.
With the help of the MTA camera footage, cops found the suspected attacker and arrested him.
The suspect was wounded in his back and abdomen and was taken to a local hospital.
A deeper investigation into the stabbing incident is now underway.